{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{4}{cccc}}
\toprule
          &\multicolumn{2}{c}{All}&\multicolumn{2}{c}{Not Failed}&\multicolumn{2}{c}{Failed}&\multicolumn{2}{c}{Diff}\\
\midrule
UK \%     &     0.10&   (0.22)&     0.11&   (0.23)&     0.06&   (0.17)&     0.05&   (0.05)   \\
Brit. Emp. \%&     0.53&   (0.42)&     0.55&   (0.42)&     0.41&   (0.38)&     0.14&   (0.10)   \\
Europe \% &     0.34&   (0.40)&     0.31&   (0.40)&     0.46&   (0.40)&    -0.15&   (0.10)   \\
Asia \%   &     0.24&   (0.34)&     0.23&   (0.33)&     0.29&   (0.39)&    -0.06&   (0.08)   \\
Africa \% &     0.09&   (0.21)&     0.09&   (0.21)&     0.10&   (0.21)&    -0.01&   (0.05)   \\
N. America \%&     0.14&   (0.30)&     0.15&   (0.31)&     0.07&   (0.22)&     0.08&   (0.07)   \\
S. America \%&     0.05&   (0.17)&     0.06&   (0.18)&     0.02&   (0.04)&     0.05&   (0.04)   \\
Australia \%&     0.12&   (0.29)&     0.13&   (0.31)&     0.06&   (0.22)&     0.07&   (0.07)   \\
\midrule
\(N\)     &      128&         &      107&         &       21&         &      128&            \\
\bottomrule
\end{tabular}
}
